www.popsci.com/three-diy-bug-t...at-actually-work
Uninvited guests at your summer cookout can be real pests. So get rid of your annoying insect visitors with a DIY bug trap. But bear in mind that not all the traps you find on the Internet work.
Connelly and Ty Ashcraft, an exterminator at Holistic Pet Solutions in Charlotte, North Carolina, offer three traps that actually get the job done, and explain why they work.
Stink Bugs, Mosquitoes, Fruit Flies